package com.example.chatroom.service.serviceImpl;

import com.example.chatroom.entity.HWFile;

import java.util.List;

public class FileServiceImpl {

    HWFile store(String fileName, String uploaderName, String uploaderEmail, int size){
        return null;
    }
    List<HWFile> queryUploadHistory(String uploaderEmail){
        return null;
    }
    List<HWFile> queryDownloadHistory(String downloaderEmail){
        return null;
    }
}
